US3434017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor device
Assignee: Telefunken AG
•
Filing: 1964-08-25
•
Granted: 1969-03-18
•
Expires: 1984-08-25
Abstract
No abstract record available.
Inventors
- 👤 Herbert Schlosshauer
- 👤 Horst Wahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:22
CPC Classifications
H; H10; H10P; H10P95/00; H10D; H10D99/00; H10P50/00; H10P50/69; H10P50/691; H10P50/692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A HIGH-FREQUENCY SEMICONDUCTOR DIODE COMPRISING: A SEMICONDUCTOR BODY OF THE FIRST CONDUCTIVIY TYPE WITH AN OHMIC ELECTRODE ON ONE SIDE AND AN ALLOYED ELECTRODE WITH A RECRYSTALLIZATION ZONE OF THE SECOND CONDUCTIVITY TYPE ON THE OPPOSITE SIDE OF THE BODY, THE CONFIGURATION OF SAID SEMICONDUCTOR BODY BEING SUCH THAT THE ZONE OF SAID FIRST CONDUCTIVITY TYPE IS CONFINED TO THE REGION BETWEEN SAID TWO ELECTRODES AND THE WIDTH OF SAID ZONE OF SAID FIRST CONDUCTIVITY TYPE IS, THROUGHOUT ITS ENTIRE EXTENT, APPROXIMATELY EQUAL TO THE WIDTH OF THE RECRYSTALLIZATION ZONE OF SAID SECOND CONDUCTIVITY TYPE.
Claim 2
Dependent Claim
95 words
A HIGH-FREQUENCY SEMICONDUCTOR DIODE COMPRISING: A SEMICONDUCTOR BODY OF THE FIRST CONDUCTIVIY TYPE WITH AN OHMIC ELECTRODE ON ONE SIDE AND AN ALLOYED ELECTRODE WITH A RECRYSTALLIZATION ZONE OF THE SECOND CONDUCTIVITY TYPE ON THE OPPOSITE SIDE OF THE BODY, THE CONFIGURATION OF SAID SEMICONDUCTOR BODY BEING SUCH THAT THE ZONE OF SAID FIRST CONDUCTIVITY TYPE IS CONFINED TO THE REGION BETWEEN SAID TWO ELECTRODES AND THE WIDTH OF SAID ZONE OF SAID FIRST CONDUCTIVITY TYPE IS, THROUGHOUT ITS ENTIRE EXTENT, APPROXIMATELY EQUAL TO THE WIDTH OF THE RECRYSTALLIZATION ZONE OF SAID SECOND CONDUCTIVITY TYPE.
References Cited (Backward Citations)
US2849664A
Cited
US2903628A
Cited
US2878432A
Cited
US2989671A
Cited
FR1217793A
Cited
US3140527A
Cited
US3088888A
Cited
US3197839A
Cited
US3200017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |